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-rw-r--r--oidset.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/oidset.c b/oidset.c
index 8bdecb13de..f63ce818f6 100644
--- a/oidset.c
+++ b/oidset.c
@@ -35,3 +35,38 @@ void oidset_clear(struct oidset *set)
kh_release_oid_set(&set->set);
oidset_init(set, 0);
}
+
+void oidset_parse_file(struct oidset *set, const char *path)
+{
+ FILE *fp;
+ struct strbuf sb = STRBUF_INIT;
+ struct object_id oid;
+
+ fp = fopen(path, "r");
+ if (!fp)
+ die("could not open object name list: %s", path);
+ while (!strbuf_getline(&sb, fp)) {
+ const char *p;
+ const char *name;
+
+ /*
+ * Allow trailing comments, leading whitespace
+ * (including before commits), and empty or whitespace
+ * only lines.
+ */
+ name = strchr(sb.buf, '#');
+ if (name)
+ strbuf_setlen(&sb, name - sb.buf);
+ strbuf_trim(&sb);
+ if (!sb.len)
+ continue;
+
+ if (parse_oid_hex(sb.buf, &oid, &p) || *p != '\0')
+ die("invalid object name: %s", sb.buf);
+ oidset_insert(set, &oid);
+ }
+ if (ferror(fp))
+ die_errno("Could not read '%s'", path);
+ fclose(fp);
+ strbuf_release(&sb);
+}